FT4 Library/lib.ft4.core.accounts/check_single_sig_auth

check_single_sig_auth

function check_single_sig_auth(args: byte_array, signers: list<byte_array>, required_flags: list<text>): validation_result(source)

Checks that the single signature auth descriptor has all the requirements to authorize an operation.

Can only be called from an operation.

Gives invalid result "SIGNERS ERROR" if signers has zero or more than one elements.

Gives invalid result "MISSING SIGNATURE" if the signer did not sign the operation that called this function.

Gives invalid result "MISSING FLAGS" if the single_sig_args does not contain all required flags.

Return

utils.VALID if valid, utils.invalid otherwise.

Parameters

args

The args for this auth descriptor. Expected to be a gtv encoded version of the single_sig_args struct.

signers

The signer for this auth descriptor. Expected to be a list containing exactly one pubkey or EVM address (without 0x)

required_flags

The flags it must have for the operation that needs to be authorized.